#1输入字符串
send_keys()
#模拟输入字符串
driver.find_element_by_name("Name").send_keys("要输入大的字符串")

#2模拟按键
keyevent()
#发送一个键码的操作，即一次只能输入一个字符
#输入数字186
driver.keyevent(1)             #1
driver.keyevent(15)               #8
driver.keyevent(13)              #6
#输入字符串"HELLO"
driver.keyevent(36)                # H
driver.keyevent(33)                # E
driver.keyevent(40)                # L
driver.keyevent(40)                # L
driver.keyevent(43)                     # O
